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Related Experiment Videos

Implantable microchips for controlled drug delivery.

J M Maloney1, J T Santini

  • 1MicroCHIPS, Inc., Bedford, MA, USA.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|February 3, 2007
PubMed
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A new implantable drug delivery system offers controlled release of multiple therapeutic doses, reducing the need for frequent injections. This technology ensures reliable and repeatable drug delivery for various therapeutic compounds.

Area of Science:

  • Biomedical Engineering
  • Drug Delivery Systems
  • Pharmacology

Background:

  • Frequent injections are often required for potent therapeutic compounds, impacting patient compliance and treatment efficacy.
  • Existing drug delivery systems may lack the capability for precise, multi-dose administration or stable long-term storage of diverse drug formulations.
  • The need for advanced drug delivery solutions that enable complex dosing regimens and improve therapeutic outcomes is critical.

Purpose of the Study:

  • To report the development of an implantable drug delivery system for controlled, multi-dose administration.
  • To demonstrate the system's capability for stable, hermetic storage of therapeutic drugs in various forms (solid, liquid, gel).
  • To evaluate the reliability and repeatability of the microchip drug release technology through in vitro and in vivo studies.

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Main Methods:

  • Development of an implantable microchip-based drug delivery device.
  • Incorporation of individual compartments for discrete dose storage.
  • In vitro and in vivo release studies to assess drug delivery performance.
  • Evaluation of hermetic sealing for drug stability.

Main Results:

  • Successful demonstration of controlled drug release from the implantable system.
  • Confirmation of stable and hermetic storage for therapeutic compounds.
  • Reliable and repeatable drug release profiles observed in both in vitro and in vivo experiments.
  • Feasibility of multiple-drug regimens (pulsatile or continuous) established.

Conclusions:

  • The developed implantable drug delivery system effectively controls the release of multiple individual doses.
  • The technology provides a reliable and repeatable method for administering potent therapeutics, potentially reducing injection frequency.
  • This system offers a promising platform for advanced, personalized drug therapy regimens.